US20180250759A1 - Cutter and kit - Google Patents
Cutter and kit Download PDFInfo
- Publication number
- US20180250759A1 US20180250759A1 US15/758,930 US201615758930A US2018250759A1 US 20180250759 A1 US20180250759 A1 US 20180250759A1 US 201615758930 A US201615758930 A US 201615758930A US 2018250759 A1 US2018250759 A1 US 2018250759A1
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- United States
- Prior art keywords
- cutter
- work piece
- wall
- housing assembly
- cutting wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 description 30
- 239000012530 fluid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D21/00—Machines or devices for shearing or cutting tubes
- B23D21/06—Hand-operated tube-cutters
- B23D21/08—Hand-operated tube-cutters with cutting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
- B25G1/102—Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/006—Storage means specially adapted for one specific hand apparatus, e.g. an electric drill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
- B26D3/169—Hand held tube cutters
Definitions
- the present invention generally relates to cutters and, more specifically, to a close quarters cutter and a kit of cutters, accessories and/or parts.
- Cutters and, more specifically, close quarters cutters are employed for cutting thin walled cylindrical work pieces.
- the cutters include a housing defining an opening for receiving a work piece.
- the housing pivotally supports a pair of spaced rollers for supporting a work piece to be cut and a cutting wheel for cutting the work piece by rotating the housing relative to the work piece.
- the cutting wheel is biased by, for example, a spring member that automatically progressively advances the cutting wheel towards the rollers and into engagement with the work piece as the housing is rotated, creating a score line about the work piece that is incrementally deepened until the work piece is eventually severed into two lengths.
- material is displaced as the score line is created.
- the displaced material creates an annular ridge adjacent the score line that has a greater diameter than the outer surface of the work piece. This displaced material can urge the rollers away from the outer surface and impede rotation of the cutter around the work piece.
- the work piece that is cut is a pipe or conduit containing a fluid, such as water.
- the housing of the cutter is typically made of two halves that, when connected, define a cavity in which the rollers, the cutting wheel, and the spring member are at least partially contained.
- the water in the pipe may enter the cavity of the cutter. This water may remain in the cavity and cause corrosion or degradation of the rollers, the cutting wheel, the spring member, etc.
- a cutter such as a close quarters cutter, is operable to cut a work piece extending along an axis.
- the cutter may generally include a cutting wheel selectively engageable with and operable to cut the work piece; and a housing assembly supporting the cutting wheel for movement about the axis in a cutting direction to cut the work piece, the housing assembly having a generally cylindrical outer surface engageable by a user to pivot the cutter about the axis, a grip portion being on the outer surface and including a plurality of grip members, each grip member including, relative to the cutting direction, a trailing surface and a leading surface extending from the outer surface, the leading surface being angled toward the cutting direction.
- a cutter may generally include a cutting wheel selectively engageable with and operable to cut the work piece; and a housing assembly supporting the cutting wheel for movement about the axis, the housing assembly including a generally cylindrical outer wall and side walls defining an opening receiving the work piece, the outer wall and the side walls cooperating to define a cavity in which the cutting wheel is at least partially supported, the housing assembly defining a plurality of circumferentially-spaced openings communicating between the cavity and an exterior of the cutter.
- a cutter may generally include a housing assembly; a cutting wheel supported by the housing assembly for movement about the axis, the cutting wheel being selectively engageable with and operable to cut the work piece; a roller selectively engageable with the work piece, the roller having a generally cylindrical roller surface and an annular groove having a concave surface extending into the roller surface.
- a cutter kit may generally include a first cutter including a first cutting wheel selectively engageable with and operable to cut a first work piece, and a first housing assembly supporting the first cutting wheel for movement about an axis, the first housing assembly having a first outer surface and defining a first opening operable to receive the first work piece; a second cutter including a second cutting wheel selectively engageable with and operable to cut a second work piece, and a second housing assembly supporting the second cutting wheel for movement about an axis, the second housing assembly having a second outer surface and defining a second opening operable to receive the second work piece; and a case assembly including a first receptacle having a first wall defining a first recess to receive the first cutter and a first post positionable in the first opening, the first wall and the first post cooperating to releasably retain the first cutter, and a second receptacle having a second wall defining a second recess to receive the second cutter and a second post positionable
- the application file contains at least one drawing executed in color.
- FIG. 1 is a front perspective view of kit of cutters, accessories and or parts.
- FIG. 2 is a top view of the kit of FIG. 1 .
- FIG. 3 is a view of one side of a cutter, such as a close quarters cutter.
- FIG. 4 is a view of the other side the cutter of FIG. 3 .
- FIG. 5 is a front view of the cutter of FIG. 3 .
- FIG. 6 is a rear view of the cutter of FIG. 3 .
- FIG. 7 is a bottom view of the cutter of FIG. 3 .
- FIG. 8 is a top view of the cutter of FIG. 3 .
- FIG. 9 is a front bottom perspective view of the cutter of FIG. 3 .
- FIG. 10 is a front top perspective view of the cutter of FIG. 3 .
- FIG. 11 is a rear top perspective view of the cutter of FIG. 3 .
- FIG. 12 is a rear bottom perspective view of the cutter FIG. 3 .
- FIG. 13 is a front perspective view of the cutter of FIG. 3 .
- FIG. 14 is a rear perspective view of the cutter of FIG. 3 .
- FIG. 15 is a top perspective view of the cutter of FIG. 3 .
- FIG. 16 is a bottom perspective view of the cutter of FIG. 3 .
- FIG. 17 is a side view of the cutter of FIG. 3 with a housing portion removed to illustrate a cutting mechanism.
- FIG. 18 is a top perspective view of the cutter as shown in FIG. 17 .
- FIG. 19 is a view of one side of an alternative construction of a cutter, such as a close quarters cutter.
- FIG. 20 is a view of the other side the cutter of FIG. 19 .
- FIG. 21 is a front view of the cutter of FIG. 19 .
- FIG. 22 is a rear view of the cutter of FIG. 19 .
- FIG. 23 is a bottom view of the cutter of FIG. 19 .
- FIG. 24 is a top view of the cutter of FIG. 19 .
- FIG. 25 is a front bottom perspective view of the cutter of FIG. 19 .
- FIG. 26 is a front top perspective view of the cutter of FIG. 19 .
- FIG. 27 is a rear top perspective view of the cutter of FIG. 19 .
- FIG. 28 is a rear bottom perspective view of the cutter FIG. 19 .
- FIG. 29 is a front perspective view of the cutter of FIG. 19 .
- FIG. 30 is a rear perspective view of the cutter of FIG. 19 .
- FIG. 31 is a top perspective view of the cutter of FIG. 19 .
- FIG. 32 is a bottom perspective view of the cutter of FIG. 19 .
- FIG. 33 is a view of one side of another alternative construction of a cutter, such as a close quarters cutter.
- FIG. 34 is a view of the other side the cutter of FIG. 33 .
- FIG. 35 is a front view of the cutter of FIG. 33 .
- FIG. 36 is a rear view of the cutter of FIG. 33 .
- FIG. 37 is a bottom view of the cutter of FIG. 33 .
- FIG. 38 is a top view of the cutter of FIG. 33 .
- FIG. 39 is a front bottom perspective view of the cutter of FIG. 33 .
- FIG. 40 is a front top perspective view of the cutter of FIG. 33 .
- FIG. 41 is a rear top perspective view of the cutter of FIG. 33 .
- FIG. 42 is a rear bottom perspective view of the cutter FIG. 33 .
- FIG. 43 is a front perspective view of the cutter of FIG. 33 .
- FIG. 44 is a rear perspective view of the cutter of FIG. 33 .
- FIG. 45 is a top perspective view of the cutter of FIG. 33 .
- FIG. 46 is a bottom perspective view of the cutter of FIG. 33 .
- FIGS. 47A-47B illustrate operation of a cutter, such as a close quarters cutter.
- FIGS. 48A-48C illustrate operation of a cutter, such as a close quarters cutter.
- FIGS. 49A-49D are views of yet another alternative construction of a cutter, such as a close quarters cutter.
- FIGS. 50A-50B are views of a further alternative construction of a cutter, such as a close quarters cutter, and illustrate operation of the cutter.
- FIG. 51 is a front perspective view of a case assembly of the kit of FIG. 1 .
- FIG. 52 is a rear perspective view of the case assembly of FIG. 45 .
- FIG. 53 is a top view of the case assembly of FIG. 45 .
- FIG. 54 is a front perspective view of inserts for the case assembly of FIG. 45 .
- FIG. 55 is a rear perspective view of the inserts of FIG. 48 .
- FIG. 56 is a top view of the inserts of FIG. 48 .
- FIG. 57 is a front perspective view of an outer case of the case assembly of FIG. 45 .
- FIG. 58 is a top view of the outer case of FIG. 51 .
- FIGS. 1-2 illustrate a kit 10 including one or more cutter(s) 14 A, 14 B, 14 C . . . 14 n , cutting accessories (e.g., a reamer pen 18 ) and/or parts (e.g., one or more replacement blade(s) 22 ).
- the kit 10 includes a case assembly 26 operable to support the cutter(s) 14 A . . . 14 n, accessories and/or parts.
- the kit 10 includes cutters 14 A- 14 C for cutting tubing, pipes, other work pieces, etc. of various sizes (e.g., 1′′, 3 ⁇ 4′′, 1 ⁇ 2′′, as shown in FIGS. 1-2 ).
- the kit 10 may include fewer or more cutters, cutters with different characteristics (e.g., size, material to be cut, etc.), different (in number or type) accessories and/or parts.
- FIGS. 3-18 illustrate one construction of the cutter 14 A, such as a close quarters cutter for a 1′′ work piece.
- FIGS. 19-32 and 33-46 illustrate alternative constructions of the cutter 14 B, 14 C (e.g., for a 3 ⁇ 4′′ work piece and for a 1 ⁇ 2′′ work piece, respectively), and common elements have the same reference number “B” and “C”, respectively.
- FIGS. 49A-49D and 50A-50B illustrate additional alternative constructions of a cutter 14 D, 14 E, and common elements have the same reference number “D” and “E”, respectively.
- each cutter 14 includes a cutting wheel 30 , one or more rollers 34 , and a housing assembly 38 supporting the cutting wheel 30 and the roller(s) 34 for movement about (see FIG. 47B ) the axis A of a work piece W in a cutting direction D to cut the work piece W.
- the housing assembly 38 is formed by two housing halves 40 (one shown in FIGS. 17-18 ) providing support structure for the cutting wheel 30 and the roller(s) 34 . As shown in FIGS. 3-5 , the housing assembly 38 has a generally cylindrical outer wall 42 and side walls 46 defining an opening 50 for receiving the work piece W. An inner wall 48 extends between the side walls 46 around the opening 50 .
- the outer wall 42 provides an outer surface 43 engageable by a user to pivot the cutter 14 A about the axis A.
- a grip portion 54 is provided on (e.g., formed on) the outer surface 43 of the cylindrical outer wall 42 and includes a plurality grip members 58 spaced about the circumference of the cylindrical outer wall 42 .
- the illustrated grip portion 54 provides an indication of the cutting direction (the direction to rotate the cutter 14 A) to cut the work piece W.
- Each grip member 58 includes, relative to the cutting direction D, a trailing surface 62 and a leading surface 66 extending from the outer surface 43 to an outer end (e.g., a point).
- the leading surface 66 is angled toward the cutting direction D while the trailing surface 62 extends substantially radially.
- an angle 64 is defined between the leading surface 66 and the trailing surface 62 , and, in the illustrated construction, the angle 64 is between approximately 45 degrees and approximately 75 degrees (e.g., approximately 63 degrees, as illustrated).
- the trailing surface 62 D and the leading surface 66 D extend to and are connected by an intermediate surface 68 , which is generally tangential to the outer surface 43 of the cylindrical outer wall 42 .
- the trailing surface 62 D and the leading surface 66 D are substantially parallel, but in other constructions, may be angled relative to each other.
- the grip members 58 may be arranged in another manner to indicate the cutting direction.
- the grip members 58 E of the grip portion 54 E may be arranged in an “echelon” pattern.
- each of the grip members 58 E has two mirror portions 72 angled relative to each other so as to point in the cutting direction D.
- the portions 72 form an angle between approximately 115 degrees and approximately 175 degrees (e.g., approximately 145 degrees, as illustrated).
- a separate cutting direction indicator e.g., an arrow 60
- other indicators e.g., a “1” to indicate size
- the arrow 60 and other indicators are defined by raised surfaces extending outwardly from at least one of the side walls 46 .
- the arrow 60 and/or the other indicators may be recessed into or provided directly on at least one of the side walls 46 .
- the outer wall 42 , the side walls 46 , and the inner wall 48 cooperate to define a cavity 70 in which the cutting wheel 30 and the roller(s) 34 are at least partially supported.
- the cutting wheel 30 extends through a cutting wheel opening 76 defined through the inner wall 48
- the rollers 34 extend through corresponding roller openings 80 defined through the inner wall 48 .
- the cutting wheel opening 76 and the roller openings 80 are circumferentially spaced about the cylindrical inner wall 48 .
- each side wall 46 defines a plurality of circumferentially-spaced drain openings 74 communicating between the cavity 70 and the exterior of the cutter 14 A. As shown in FIG. 47B , any fluid F which enters the cavity 70 (e.g., from inside the work piece W being cut and entering through at least one of the cutting wheel opening 76 and the roller openings 80 ) will drain through the openings 74 .
- each side wall 46 has axially-raised surfaces 84 (see FIGS. 5 and 9 ) extending around an outer periphery of the side wall 46 so that the cutter 14 A does not rest in any drained fluid F and so that a support surface (e.g., a work table, the case assembly, etc.) does not block the openings 74 .
- the raised surfaces 84 may include the arrow 60 and/or additional indicators to help support the side wall 46 away from the support surface.
- the openings 74 are positioned (see FIG. 17 ) proximate the inner surface 44 of the outer wall 42 so that a channel is not formed between the side walls 46 that would retain fluid F when the cutter 14 A rests on the outer wall 42 .
- openings 74 E are circumferentially spaced on the cylindrical outer wall 42 E. In such constructions, the openings 74 E are centrally located on the cylindrical outer wall 42 E along the cutting axis A.
- the openings 74 are shaped and/or oriented (see FIGS. 3-4 ) to indicate the cutting direction D.
- the illustrated openings 74 are angled in the same direction as the leading surface 66 .
- the openings 74 may be constructed and/or arranged in another manner (e.g., arrow-shaped openings 74 E as shown in FIGS. 50A-50B ) to provide an indication of the cutting direction D.
- each roller 34 has a generally cylindrical roller surface, and an annular groove 78 is defined in the roller surface.
- the groove 78 has a concave surface 82 extending into in the roller surface.
- each roller 34 is supported with the groove 78 overlapping the plane P.
- the groove 78 provides clearance for material M of the work piece W displaced during cutting, with the curve of the concave surface 82 being spaced from the material M.
- the roller(s) 34 may also define a groove spaced from the plane P, for example, configured to receive a pipe flange.
- the cutting wheel 30 and the roller(s) 34 are components of a cutting mechanism 86 for the cutter 14 A.
- the cutting mechanism 86 is similar to the mechanism described and illustrated in U.S. Pat. No. 4,831,732, issued May 23, 1989, the entire contents of which are hereby incorporated by reference.
- the cutting wheel 30 is spring-biased into engagement with the surface of the work piece W to be cut.
- the work piece W is positioned in the opening 50 and supported by the roller(s) 34 , while the cutting wheel 30 is pushed out of the way to accommodate the work piece W in the opening 50 .
- the cutting wheel 30 is biased into engagement with the outer surface of the work piece W by a spring member 92 (see FIGS. 17-18 ) supported by the housing assembly 40 and within the cavity 70 .
- the cutter 14 A is pivoted about the work piece W, and the cutting wheel 30 cuts the outer surface. As shown in FIG. 48C , displaced material fits in the groove 78 in each roller 34 so that movement is not impeded or adversely affected.
- the cutting wheel 30 is forced deeper into the surface of the work piece W by the spring member 92 .
- the outer wall 42 may define a slot to receive and accommodate the cutting wheel 30 as it is pressed radially outwardly by the work piece W. This arrangement may, for example, reduce the outer diameter of the housing assembly 38 and/or increase the possible cutting range of the cutter 14 A.
- the fluid F leaks into the housing assembly 38 , through the cutting wheel opening 76 and/or the roller openings 80 defined in the outer wall 42 .
- the fluid F drains from the cavity 70 through the openings 74 during cutting and when the cutter 14 A is not in use.
- the illustrated kit 10 includes the cutters 14 A, 14 B, 14 C, accessories (e.g., a reamer pen 18 ), replacement parts (e.g., replacement blade(s) 22 ), etc.
- the case assembly 26 supports these kit components.
- the case assembly 26 includes an outer case 90 having two halves hinged together to open and close.
- One or more inserts 94 , 98 e.g., a cutter support insert 94 and an accessory/part support insert 98 ) are supported by the outer case 90 and are constructed to support and retain the kit components.
- the inserts 94 , 98 include a number of component supports 102 (e.g., spring clips, spring arms, movable retainer members, frictional surfaces, etc.) for supporting and retaining the components provided with the kit 10 or in a desired configuration of the kit 10 .
- component supports 102 e.g., spring clips, spring arms, movable retainer members, frictional surfaces, etc.
- the component supports 102 of the cutter support insert 94 include receptacles 103 A, 103 B, 103 C with a series of cutter support posts or projections 104 A, 104 B, 104 C.
- Each projection 104 A, 104 B, 104 C has one or more recesses to receive the associated cutting wheel 30 and/or roller 34 .
- Each projection 104 A, 104 B, 104 C may have an indicator (e.g., a recessed or raised “1”, “3 ⁇ 4”, and “1 ⁇ 2”) to indicate which cutter 14 A, 14 B, 14 C should be placed on the projection 104 A, 104 B, 104 C, or for identifying and selecting a cutter 14 A, 14 B, 14 C received on the projection 104 A, 104 B, 104 C.
- an indicator e.g., a recessed or raised “1”, “3 ⁇ 4”, and “1 ⁇ 2”
- Each of the cutter support projections 104 A, 104 B, 104 C is sized to frictionally receive the opening 50 A, 50 B, 50 C of a corresponding one of the cutters 14 A, 14 B, 14 C to support and retain the cutters 14 A, 14 B, 14 C.
- the outer wall of each receptacle 103 cooperates with the corresponding projection 104 to releasably retain the associated cutter 14 (e.g., with a friction fit).
- the outer wall of the receptacle 103 or the corresponding projection 104 may releasably retain the cutter 14 without cooperation from the other structure.
- different retainer structure e.g., a pivoting bayonet, a latch, etc.
- a projection (e.g., the projection 104 A, 104 B) may also have a surface (e.g., an arcuate surface 108 A, 108 B) with a diameter corresponding to the outer diameter of the adjacent cutter (e.g., the cutter 14 B, 14 C, respectively) such that, as shown in FIGS. 1-2 , the cutters 14 A, 14 B, 14 C nest when received on the projections 104 A, 104 B, 104 C.
- the size of the case assembly 26 may be minimized.
- the illustrated inserts 94 , 98 are removably connected to the outer case 90 by inter-engaging connectors 106 (see FIGS. 54 and 57 ).
- the inserts 94 , 98 may be exchanged with other inserts (not shown) for different kit components to re-configure the kit 10 .
- the inserts 94 , 98 may be removed from the outer case 90 and stored with the supported kit components (e.g., in a work shop) and re-installed for transport, storage, etc. of the kit components.
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Abstract
Description
- The present application claims priority to U.S. Provisional Patent Application No. 62/218,945, filed Sep. 15, 2015, the entire contents of which is hereby incorporated by reference.
- The present invention generally relates to cutters and, more specifically, to a close quarters cutter and a kit of cutters, accessories and/or parts.
- Cutters and, more specifically, close quarters cutters, are employed for cutting thin walled cylindrical work pieces. Typically, the cutters include a housing defining an opening for receiving a work piece. The housing pivotally supports a pair of spaced rollers for supporting a work piece to be cut and a cutting wheel for cutting the work piece by rotating the housing relative to the work piece. The cutting wheel is biased by, for example, a spring member that automatically progressively advances the cutting wheel towards the rollers and into engagement with the work piece as the housing is rotated, creating a score line about the work piece that is incrementally deepened until the work piece is eventually severed into two lengths.
- During cutting of the work piece, material is displaced as the score line is created. The displaced material creates an annular ridge adjacent the score line that has a greater diameter than the outer surface of the work piece. This displaced material can urge the rollers away from the outer surface and impede rotation of the cutter around the work piece.
- Often the work piece that is cut is a pipe or conduit containing a fluid, such as water. The housing of the cutter is typically made of two halves that, when connected, define a cavity in which the rollers, the cutting wheel, and the spring member are at least partially contained. Once the pipe is cut, the water in the pipe may enter the cavity of the cutter. This water may remain in the cavity and cause corrosion or degradation of the rollers, the cutting wheel, the spring member, etc.
- In one independent aspect, a cutter, such as a close quarters cutter, is operable to cut a work piece extending along an axis. The cutter may generally include a cutting wheel selectively engageable with and operable to cut the work piece; and a housing assembly supporting the cutting wheel for movement about the axis in a cutting direction to cut the work piece, the housing assembly having a generally cylindrical outer surface engageable by a user to pivot the cutter about the axis, a grip portion being on the outer surface and including a plurality of grip members, each grip member including, relative to the cutting direction, a trailing surface and a leading surface extending from the outer surface, the leading surface being angled toward the cutting direction.
- In another independent aspect, a cutter may generally include a cutting wheel selectively engageable with and operable to cut the work piece; and a housing assembly supporting the cutting wheel for movement about the axis, the housing assembly including a generally cylindrical outer wall and side walls defining an opening receiving the work piece, the outer wall and the side walls cooperating to define a cavity in which the cutting wheel is at least partially supported, the housing assembly defining a plurality of circumferentially-spaced openings communicating between the cavity and an exterior of the cutter.
- In yet another independent aspect, a cutter may generally include a housing assembly; a cutting wheel supported by the housing assembly for movement about the axis, the cutting wheel being selectively engageable with and operable to cut the work piece; a roller selectively engageable with the work piece, the roller having a generally cylindrical roller surface and an annular groove having a concave surface extending into the roller surface.
- In still yet another independent aspect, a cutter kit may generally include a first cutter including a first cutting wheel selectively engageable with and operable to cut a first work piece, and a first housing assembly supporting the first cutting wheel for movement about an axis, the first housing assembly having a first outer surface and defining a first opening operable to receive the first work piece; a second cutter including a second cutting wheel selectively engageable with and operable to cut a second work piece, and a second housing assembly supporting the second cutting wheel for movement about an axis, the second housing assembly having a second outer surface and defining a second opening operable to receive the second work piece; and a case assembly including a first receptacle having a first wall defining a first recess to receive the first cutter and a first post positionable in the first opening, the first wall and the first post cooperating to releasably retain the first cutter, and a second receptacle having a second wall defining a second recess to receive the second cutter and a second post positionable in the second opening, the second wall and the second post cooperating to releasably retain the second cutter.
- Other independent features and independent aspects of the invention will become apparent by consideration of the following detailed description, claims and accompanying drawings.
- The application file contains at least one drawing executed in color.
-
FIG. 1 is a front perspective view of kit of cutters, accessories and or parts. -
FIG. 2 is a top view of the kit ofFIG. 1 . -
FIG. 3 is a view of one side of a cutter, such as a close quarters cutter. -
FIG. 4 is a view of the other side the cutter ofFIG. 3 . -
FIG. 5 is a front view of the cutter ofFIG. 3 . -
FIG. 6 is a rear view of the cutter ofFIG. 3 . -
FIG. 7 is a bottom view of the cutter ofFIG. 3 . -
FIG. 8 is a top view of the cutter ofFIG. 3 . -
FIG. 9 is a front bottom perspective view of the cutter ofFIG. 3 . -
FIG. 10 is a front top perspective view of the cutter ofFIG. 3 . -
FIG. 11 is a rear top perspective view of the cutter ofFIG. 3 . -
FIG. 12 is a rear bottom perspective view of the cutterFIG. 3 . -
FIG. 13 is a front perspective view of the cutter ofFIG. 3 . -
FIG. 14 is a rear perspective view of the cutter ofFIG. 3 . -
FIG. 15 is a top perspective view of the cutter ofFIG. 3 . -
FIG. 16 is a bottom perspective view of the cutter ofFIG. 3 . -
FIG. 17 is a side view of the cutter ofFIG. 3 with a housing portion removed to illustrate a cutting mechanism. -
FIG. 18 is a top perspective view of the cutter as shown inFIG. 17 . -
FIG. 19 is a view of one side of an alternative construction of a cutter, such as a close quarters cutter. -
FIG. 20 is a view of the other side the cutter ofFIG. 19 . -
FIG. 21 is a front view of the cutter ofFIG. 19 . -
FIG. 22 is a rear view of the cutter ofFIG. 19 . -
FIG. 23 is a bottom view of the cutter ofFIG. 19 . -
FIG. 24 is a top view of the cutter ofFIG. 19 . -
FIG. 25 is a front bottom perspective view of the cutter ofFIG. 19 . -
FIG. 26 is a front top perspective view of the cutter ofFIG. 19 . -
FIG. 27 is a rear top perspective view of the cutter ofFIG. 19 . -
FIG. 28 is a rear bottom perspective view of the cutterFIG. 19 . -
FIG. 29 is a front perspective view of the cutter ofFIG. 19 . -
FIG. 30 is a rear perspective view of the cutter ofFIG. 19 . -
FIG. 31 is a top perspective view of the cutter ofFIG. 19 . -
FIG. 32 is a bottom perspective view of the cutter ofFIG. 19 . -
FIG. 33 is a view of one side of another alternative construction of a cutter, such as a close quarters cutter. -
FIG. 34 is a view of the other side the cutter ofFIG. 33 . -
FIG. 35 is a front view of the cutter ofFIG. 33 . -
FIG. 36 is a rear view of the cutter ofFIG. 33 . -
FIG. 37 is a bottom view of the cutter ofFIG. 33 . -
FIG. 38 is a top view of the cutter ofFIG. 33 . -
FIG. 39 is a front bottom perspective view of the cutter ofFIG. 33 . -
FIG. 40 is a front top perspective view of the cutter ofFIG. 33 . -
FIG. 41 is a rear top perspective view of the cutter ofFIG. 33 . -
FIG. 42 is a rear bottom perspective view of the cutterFIG. 33 . -
FIG. 43 is a front perspective view of the cutter ofFIG. 33 . -
FIG. 44 is a rear perspective view of the cutter ofFIG. 33 . -
FIG. 45 is a top perspective view of the cutter ofFIG. 33 . -
FIG. 46 is a bottom perspective view of the cutter ofFIG. 33 . -
FIGS. 47A-47B illustrate operation of a cutter, such as a close quarters cutter. -
FIGS. 48A-48C illustrate operation of a cutter, such as a close quarters cutter. -
FIGS. 49A-49D are views of yet another alternative construction of a cutter, such as a close quarters cutter. -
FIGS. 50A-50B are views of a further alternative construction of a cutter, such as a close quarters cutter, and illustrate operation of the cutter. -
FIG. 51 is a front perspective view of a case assembly of the kit ofFIG. 1 . -
FIG. 52 is a rear perspective view of the case assembly ofFIG. 45 . -
FIG. 53 is a top view of the case assembly ofFIG. 45 . -
FIG. 54 is a front perspective view of inserts for the case assembly ofFIG. 45 . -
FIG. 55 is a rear perspective view of the inserts ofFIG. 48 . -
FIG. 56 is a top view of the inserts ofFIG. 48 . -
FIG. 57 is a front perspective view of an outer case of the case assembly ofFIG. 45 . -
FIG. 58 is a top view of the outer case ofFIG. 51 . - Before any independent embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other independent embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.
- Use of “including” and “comprising” and variations thereof as used herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Use of “consisting of” and variations thereof as used herein is meant to encompass only the items listed thereafter and equivalents thereof.
-
FIGS. 1-2 illustrate akit 10 including one or more cutter(s) 14A, 14B, 14C . . . 14 n, cutting accessories (e.g., a reamer pen 18) and/or parts (e.g., one or more replacement blade(s) 22). Thekit 10 includes acase assembly 26 operable to support the cutter(s) 14A . . . 14 n, accessories and/or parts. In the illustrated construction, thekit 10 includescutters 14A-14C for cutting tubing, pipes, other work pieces, etc. of various sizes (e.g., 1″, ¾″, ½″, as shown inFIGS. 1-2 ). In other constructions (not shown), thekit 10 may include fewer or more cutters, cutters with different characteristics (e.g., size, material to be cut, etc.), different (in number or type) accessories and/or parts. -
FIGS. 3-18 illustrate one construction of thecutter 14A, such as a close quarters cutter for a 1″ work piece.FIGS. 19-32 and 33-46 illustrate alternative constructions of thecutter FIGS. 49A-49D and 50A-50B illustrate additional alternative constructions of acutter - As shown in
FIGS. 3-18 , each cutter 14 includes acutting wheel 30, one ormore rollers 34, and ahousing assembly 38 supporting thecutting wheel 30 and the roller(s) 34 for movement about (seeFIG. 47B ) the axis A of a work piece W in a cutting direction D to cut the work piece W. - The
housing assembly 38 is formed by two housing halves 40 (one shown inFIGS. 17-18 ) providing support structure for thecutting wheel 30 and the roller(s) 34. As shown inFIGS. 3-5 , thehousing assembly 38 has a generally cylindricalouter wall 42 andside walls 46 defining anopening 50 for receiving the work piece W. Aninner wall 48 extends between theside walls 46 around theopening 50. - The
outer wall 42 provides anouter surface 43 engageable by a user to pivot thecutter 14A about the axis A. Agrip portion 54 is provided on (e.g., formed on) theouter surface 43 of the cylindricalouter wall 42 and includes aplurality grip members 58 spaced about the circumference of the cylindricalouter wall 42. The illustratedgrip portion 54 provides an indication of the cutting direction (the direction to rotate thecutter 14A) to cut the work piece W. - Each
grip member 58 includes, relative to the cutting direction D, a trailingsurface 62 and a leadingsurface 66 extending from theouter surface 43 to an outer end (e.g., a point). In the illustrated construction, the leadingsurface 66 is angled toward the cutting direction D while the trailingsurface 62 extends substantially radially. As shown inFIG. 3 , anangle 64 is defined between the leadingsurface 66 and the trailingsurface 62, and, in the illustrated construction, theangle 64 is between approximately 45 degrees and approximately 75 degrees (e.g., approximately 63 degrees, as illustrated). - In other constructions, such as the
cutter 14D ofFIGS. 49A-49D , the trailingsurface 62D and the leadingsurface 66D extend to and are connected by anintermediate surface 68, which is generally tangential to theouter surface 43 of the cylindricalouter wall 42. In such constructions, the trailingsurface 62D and the leadingsurface 66D are substantially parallel, but in other constructions, may be angled relative to each other. - In other constructions, the
grip members 58 may be arranged in another manner to indicate the cutting direction. For example, in some constructions, such as thecutter 14E ofFIGS. 50A-50B , thegrip members 58E of the grip portion 54E may be arranged in an “echelon” pattern. Specifically, each of thegrip members 58E has twomirror portions 72 angled relative to each other so as to point in the cutting direction D. In the illustrated construction, theportions 72 form an angle between approximately 115 degrees and approximately 175 degrees (e.g., approximately 145 degrees, as illustrated). - As shown in
FIG. 3 , a separate cutting direction indicator (e.g., an arrow 60) and other indicators (e.g., a “1” to indicate size) may be provided. In the illustrated construction, thearrow 60 and other indicators are defined by raised surfaces extending outwardly from at least one of theside walls 46. In other constructions (not shown), thearrow 60 and/or the other indicators may be recessed into or provided directly on at least one of theside walls 46. - When the two
housing halves 40 of thehousing assembly 38 are connected, theouter wall 42, theside walls 46, and theinner wall 48 cooperate to define acavity 70 in which thecutting wheel 30 and the roller(s) 34 are at least partially supported. Thecutting wheel 30 extends through a cutting wheel opening 76 defined through theinner wall 48, and therollers 34 extend throughcorresponding roller openings 80 defined through theinner wall 48. Thecutting wheel opening 76 and theroller openings 80 are circumferentially spaced about the cylindricalinner wall 48. - In the illustrated construction, each
side wall 46 defines a plurality of circumferentially-spaceddrain openings 74 communicating between thecavity 70 and the exterior of thecutter 14A. As shown inFIG. 47B , any fluid F which enters the cavity 70 (e.g., from inside the work piece W being cut and entering through at least one of thecutting wheel opening 76 and the roller openings 80) will drain through theopenings 74. - When not in use (see
FIGS. 1-2 ), thecutter 14A is generally positioned on its side, and theside wall openings 74 facilitate drainage from thehousing assembly 38. Eachside wall 46 has axially-raised surfaces 84 (seeFIGS. 5 and 9 ) extending around an outer periphery of theside wall 46 so that thecutter 14A does not rest in any drained fluid F and so that a support surface (e.g., a work table, the case assembly, etc.) does not block theopenings 74. The raised surfaces 84 may include thearrow 60 and/or additional indicators to help support theside wall 46 away from the support surface. Theopenings 74 are positioned (seeFIG. 17 ) proximate theinner surface 44 of theouter wall 42 so that a channel is not formed between theside walls 46 that would retain fluid F when thecutter 14A rests on theouter wall 42. - In other constructions (such as the
cutter 14E ofFIGS. 50A-50B ), in addition to or as an alternative to theopenings 74,openings 74E are circumferentially spaced on the cylindrical outer wall 42E. In such constructions, theopenings 74E are centrally located on the cylindrical outer wall 42E along the cutting axis A. - In addition or as an alternative to the direction-indicating
grip members 58, theopenings 74 are shaped and/or oriented (seeFIGS. 3-4 ) to indicate the cutting direction D. The illustratedopenings 74 are angled in the same direction as the leadingsurface 66. In other constructions, theopenings 74 may be constructed and/or arranged in another manner (e.g., arrow-shapedopenings 74E as shown inFIGS. 50A-50B ) to provide an indication of the cutting direction D. - As shown in
FIG. 48C , thecutting wheel 30 is oriented in a plane P transverse to the cutting axis A. Eachroller 34 has a generally cylindrical roller surface, and anannular groove 78 is defined in the roller surface. Thegroove 78 has aconcave surface 82 extending into in the roller surface. In the illustrated construction, eachroller 34 is supported with thegroove 78 overlapping the plane P. Thegroove 78 provides clearance for material M of the work piece W displaced during cutting, with the curve of theconcave surface 82 being spaced from the material M. In other constructions (not shown), the roller(s) 34 may also define a groove spaced from the plane P, for example, configured to receive a pipe flange. - The
cutting wheel 30 and the roller(s) 34 are components of acutting mechanism 86 for thecutter 14A. In the illustrated construction (seeFIGS. 17-18 ), thecutting mechanism 86 is similar to the mechanism described and illustrated in U.S. Pat. No. 4,831,732, issued May 23, 1989, the entire contents of which are hereby incorporated by reference. Generally, thecutting wheel 30 is spring-biased into engagement with the surface of the work piece W to be cut. - To cut the work piece W, the work piece W is positioned in the
opening 50 and supported by the roller(s) 34, while thecutting wheel 30 is pushed out of the way to accommodate the work piece W in theopening 50. However, thecutting wheel 30 is biased into engagement with the outer surface of the work piece W by a spring member 92 (seeFIGS. 17-18 ) supported by thehousing assembly 40 and within thecavity 70. Thecutter 14A is pivoted about the work piece W, and thecutting wheel 30 cuts the outer surface. As shown inFIG. 48C , displaced material fits in thegroove 78 in eachroller 34 so that movement is not impeded or adversely affected. As thecutter 14A is rotated and the outer surface of the work piece W is cut, thecutting wheel 30 is forced deeper into the surface of the work piece W by thespring member 92. - While not shown, the
outer wall 42 may define a slot to receive and accommodate thecutting wheel 30 as it is pressed radially outwardly by the work piece W. This arrangement may, for example, reduce the outer diameter of thehousing assembly 38 and/or increase the possible cutting range of thecutter 14A. - If there is fluid (e.g., standing water) in the work piece W (see
FIGS. 47B and 50B ), when the outer surface of the work piece is pierced, the fluid F leaks into thehousing assembly 38, through thecutting wheel opening 76 and/or theroller openings 80 defined in theouter wall 42. The fluid F drains from thecavity 70 through theopenings 74 during cutting and when thecutter 14A is not in use. - As mentioned above, the illustrated kit 10 (see
FIGS. 1-2 ) includes thecutters case assembly 26 supports these kit components. As shown inFIGS. 51-58 , thecase assembly 26 includes anouter case 90 having two halves hinged together to open and close. One ormore inserts 94, 98 (e.g., acutter support insert 94 and an accessory/part support insert 98) are supported by theouter case 90 and are constructed to support and retain the kit components. Theinserts kit 10 or in a desired configuration of thekit 10. - As shown in
FIG. 54 , the component supports 102 of thecutter support insert 94 includereceptacles projections projection wheel 30 and/orroller 34. Eachprojection cutter projection cutter projection - Each of the
cutter support projections cutters cutters - A projection (e.g., the
projection arcuate surface cutter FIGS. 1-2 , thecutters projections case assembly 26 may be minimized. - The illustrated inserts 94, 98 are removably connected to the
outer case 90 by inter-engaging connectors 106 (seeFIGS. 54 and 57 ). Theinserts kit 10. Theinserts outer case 90 and stored with the supported kit components (e.g., in a work shop) and re-installed for transport, storage, etc. of the kit components. - One or more independent features and/or independent advantages of the invention may be set forth in the claims.
Claims (25)
Priority Applications (1)
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US15/758,930 US10919098B2 (en) | 2015-09-15 | 2016-09-15 | Cutter and kit |
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US201562218945P | 2015-09-15 | 2015-09-15 | |
PCT/US2016/051982 WO2017048986A1 (en) | 2015-09-15 | 2016-09-15 | Cutter and kit |
US15/758,930 US10919098B2 (en) | 2015-09-15 | 2016-09-15 | Cutter and kit |
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PCT/US2016/051982 A-371-Of-International WO2017048986A1 (en) | 2015-09-15 | 2016-09-15 | Cutter and kit |
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US17/148,288 Continuation US20210170506A1 (en) | 2015-09-15 | 2021-01-13 | Cutter and Kit |
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US10919098B2 US10919098B2 (en) | 2021-02-16 |
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US17/148,288 Pending US20210170506A1 (en) | 2015-09-15 | 2021-01-13 | Cutter and Kit |
US17/574,285 Pending US20220134451A1 (en) | 2015-09-15 | 2022-01-12 | Cutter and Kit |
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US17/574,285 Pending US20220134451A1 (en) | 2015-09-15 | 2022-01-12 | Cutter and Kit |
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US (3) | US10919098B2 (en) |
EP (1) | EP3349932A4 (en) |
CN (2) | CN113399736B (en) |
AU (3) | AU2016323422A1 (en) |
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WO (1) | WO2017048986A1 (en) |
Cited By (4)
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USD851473S1 (en) * | 2015-09-15 | 2019-06-18 | Milwaukee Electric Tool Corporation | Cutter |
EP3845344A4 (en) * | 2018-09-29 | 2021-11-10 | Nanjing Chervon Industry Co., Ltd. | Tool box |
US11717954B2 (en) | 2018-09-10 | 2023-08-08 | Milwaukee Electric Tool Corporation | Modular tool container |
AU2023100026B4 (en) * | 2020-04-09 | 2023-08-17 | Milwaukee Electric Tool Corporation | Modular tool container |
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US10052701B2 (en) * | 2015-12-16 | 2018-08-21 | Ridge Tool Company | C-type tubing cutter |
CN108687396B (en) * | 2017-04-07 | 2021-06-04 | 米沃奇电动工具公司 | Cutting tool |
GB2583554A (en) * | 2019-04-30 | 2020-11-04 | Monument Tools Ltd | Pipe cutter |
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Publication number | Priority date | Publication date | Assignee | Title |
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USD851473S1 (en) * | 2015-09-15 | 2019-06-18 | Milwaukee Electric Tool Corporation | Cutter |
USD959223S1 (en) | 2015-09-15 | 2022-08-02 | Milwaukee Electric Tool Corporation | Cutter and kit |
USD1027592S1 (en) | 2015-09-15 | 2024-05-21 | Milwaukee Electric Tool Corporation | Cutter and kit |
US11717954B2 (en) | 2018-09-10 | 2023-08-08 | Milwaukee Electric Tool Corporation | Modular tool container |
USD1037667S1 (en) | 2018-09-10 | 2024-08-06 | Milwaukee Electric Tool Corporation | Modular tool container |
EP3845344A4 (en) * | 2018-09-29 | 2021-11-10 | Nanjing Chervon Industry Co., Ltd. | Tool box |
AU2023100026B4 (en) * | 2020-04-09 | 2023-08-17 | Milwaukee Electric Tool Corporation | Modular tool container |
Also Published As
Publication number | Publication date |
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EP3349932A4 (en) | 2019-08-14 |
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